Patients 20-
Conditions
Interventions
Patients spontaneously breathed oxygen at 2 L/minute with a fraction of inspired oxygen (FiO2): 0.28 through a nasal cannula.,Patients administered oxygen at 60 L/minute (FiO2:0.28) through the NHF sy
Active Comparator Device,Experimental Device
Nasal cannula (NC2 group),Nasal high-
flow (NHF)
Sponsors
None listed
Eligibility
Sex/Gender
All
Age
20 Years to 80 Years
Inclusion criteria
Inclusion criteria: Patients aged 20-80 years who were scheduled for surgery and under intravenous sedation ASA physical status 1 to 3 Avoid food and water for more than 6 hours before anesthesia Consent to the research by signing an informed consent form
Exclusion criteria
Exclusion criteria: Patients who plan for receiving other anesthesia such as spinal cord injection or a general anesthesia History of allergy to drugs used in research, such as Propofol or Fentanyl Unstable vital sign, such as hypotension Consent withheld or withdrawn
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Arterial partial pressure of oxygen (PaO2) 15 minutes after propofol infusion, 15 minutes after applying oxygen By device,Perioperative interventions (airway maneuver, positive pressure ventilation, instrument insertion)) Perioperative (during operation- no specific timepoint) Event occurrence (Yes/No) ,Perioperative complication (e.g. Desaturation Upper airway obstruction) Perioperative (during operation- no specific timepoint) Event occurrence (Yes/No) ,Mouth Dryness within 24 hours post-operation Patient interview. | — |
Secondary
| Measure | Time frame |
|---|---|
| PaO2/FiO2 (PF ratio) 15 minutes after propofol infusion, 15 minutes after applying oxygen By device | — |
Countries
Thailand
Contacts
Public ContactAmorn Vijitpavan
Ramathibodi Hospital
Outcome results
None listed